Patents by Inventor Daniel A. Grohnke

Daniel A. Grohnke has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Wheel hub magnetic filter for lubricating fluids
    Patent number: 6729442
    Abstract: A wheel hub magnetic filter fits within a wheel hub mounted for rotation on an end of the axle. The lubricating oil filter is positioned in a lubricating oil path upstream from the wheel hub bearings and is mounted with the wheel hub for rotation. The lubricating oil filter comprising a circular ring section which fits into an annular plenum in the wheel hub and includes flow directing barriers positioned radially inwardly from an outer edge of the circular ring section.
    Type: Grant
    Filed: June 26, 2002
    Date of Patent: May 4, 2004
    Inventors: Michael B. Merkler, Vincent O. Valenzuela, Daniel A. Grohnke, Richard L. Overman
  • Wheel hub magnetic filter for lubricating fluids
    Publication number: 20040000451
    Abstract: A wheel hub magnetic filter fits within a wheel hub mounted for rotation on an end of the axle. The lubricating oil filter is positioned in a lubricating oil path upstream from the wheel hub bearings and is mounted with the wheel hub for rotation. The lubricating oil filter comprising a circular ring section which fits into an annular plenum in the wheel hub and includes flow directing barriers positioned radially inwardly from an outer edge of the circular ring section.
    Type: Application
    Filed: June 26, 2002
    Publication date: January 1, 2004
    Inventors: Michael B. Merkler, Vincent O. Valenzuela, Daniel A. Grohnke, Richard L. Overman